[1] She was the first child and only daughter of Theodore Roosevelt Jr. and Eleanor Butler Alexander.
[2] On March 3, 1934, Roosevelt married William McMillan, an architect.
[4] She studied with the photographer J. Ghislain Lootens along with her mother.
In 1986, she presented 25 of her mother's albums to the Library of Congress together with some 5,000 of her own photographs, including images of presidents and international dignitaries.
[5] During World War II, she managed the McMillan family farm in Glyndon, Maryland while her husband served in the Navy in the Pacific theater.